Mars is only seen at two phases, one of...

Question 1 / 2066636ee928f7522a1c519b8e

Question 1 of 2066636ee928f7522a1c519b8e

Mars is only seen at two phases, one of which __________.

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Question 1 of 20

66636ee928f7522a1c519b8e

Mars is only seen at two phases, one of which __________.

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🔍 Key Concepts

• Elongation: the angular distance between a planet and the Sun as seen from Earth • How inner planets (Mercury, Venus) show many phases vs how outer planets (like Mars) appear • What conjunction and opposition mean in terms of Sun–Earth–planet alignment

💭 Think About

• Think about where Mars is relative to Earth and the Sun when it is directly behind or directly opposite the Sun from our point of view • Consider which kinds of phases depend on a wide range of elongation angles, and which are only possible when the elongation is very small or very large • Ask yourself: when would we see the fully illuminated side of Mars, and when would the illuminated side be mostly turned away from us?

✅ Before You Answer

• Be clear on the definition of 0° elongation (planet in line with the Sun as seen from Earth) vs large elongation angles • Recall that only inferior planets (inside Earth’s orbit) show the complete set of crescent-to-full phases • Verify which of the options describe a situation where Mars, as an outer planet, would show one of its two observable phases

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Question 1 of 20

Mars is only seen at two phases, one of which __________.

is conjunction

occurs only at sunset or sunrise

is the full phase

occurs at or near 0° elongation

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Question 1 / 2066636ee928f7522a1c519b8e

Question 1 of 2066636ee928f7522a1c519b8e

Mars is only seen at two phases, one of which __________.

Back

Question 1 of 20

66636ee928f7522a1c519b8e

Mars is only seen at two phases, one of which __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed